Home / 35,440.80-53,112.60-28,879.80

Finding the Fourth Proportional to 35,440.80, 53,112.60 and 28,879.80

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Solution

The fourth proportional to 35,440.80, 53,112.60 and 28,879.80 is: 43,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,440.80 : 53,112.60 = 28,879.80 : x
  2. Step 2: Convert to fraction form
    35,440.80/53,112.60 = 28,879.80/x
  3. Step 3: Cross multiply
    35,440.80x = 53,112.60 × 28,879.80
  4. Step 4: Simplify right side
    35,440.80x = 1,533,881,265.48
  5. Step 5: Solve for x
    x = 1,533,881,265.48/35,440.80
  6. Step 6: Final answer
    x = 43,280.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.